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The Model 43-68 is a large area gas proportional detector for use in simultaneous alpha/beta surveys as well as alpha or beta surveys |
PART NUMBER:47-2005
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| INDICATED USE: Alpha-beta survey RECOMMENDED COUNTING GAS: P-10 (10% methane, 90% argon) GAS RECHARGE: Will operate on a static charge for over 15 hours with a 39" cable WINDOW: Typically 0.8 mg/cm² aluminized mylar (other thickness available) WINDOW AREA: Active - 126 cm² Open - 100 cm² EFFICIENCY (4pi geometry): Typically 20% - Pu-239; 30% - Tc-99; 15% - C-14; less than 1% - gamma BACKGROUND: Alpha - Less than 5 cpm (when operating on the alpha only plateau region) Beta - Typically 400 cpm or less (10 microR/hr field) COMPATIBLE INSTRUMENTS: Model 12, 16, 18, 2000, 2200, 2221, 2224, 2225, 2241, 2350-1 OPERATING VOLTAGE: Alpha - Typically 1000 - 1500 volts Beta-gamma - Typically 1600 - 1800 volts COUNTER THRESHOLD SETTING: Typically 2 - 5 mV GAS CONNECTORS: Double end quick disconnect CONNECTOR: Series "C" (others available) CONSTRUCTION: Anodized aluminum housing TEMPERATURE RANGE: -4° F(-20° C) to 122° F(50° C) May be certified for operation from -40° F(-40° C) to 150° F(65° C) SIZE: 3.9"(10cm)H X 4.6"(11.7cm)W X 7.8"(19.8cm)L WEIGHT: 2 lbs (0.9kg) |
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Replacement Parts |
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